N-[(4-methylphenyl)sulfonyl](4-methylphenyl)methyl-P,P-diphenylphosphinic amide 在
2-phenyl-6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-2-ium tetrafluoroborate 、 bis(diethylamino)cyclopropenium tetraphenylborate 、
caesium carbonate 作用下,
以
乙腈 为溶剂,
反应 32.0h,
生成
N-(4-methybenzylidene)-P,P-diphenylphosphinamide